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 * Copyright (c) Intel Corporation
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 * -- Redistributions of source code must retain the above copyright
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 * -- Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * -- Neither the name of the Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */

using System;
using HttpServer;

namespace WebDAVSharp
{
    public class OptionsCommand : ICommand
    {
        WebDAVListener server;

        public void Start(WebDAVListener server, string path)
        {
            this.server = server;

            server.HttpServer.AddHandler("OPTIONS", null, path, OptionsHandler);
        }

        void OptionsHandler(IHttpClientContext context, IHttpRequest request, IHttpResponse response)
        {
            response.AddHeader("DAV", "2");
            response.AddHeader("MS-Author-Via", "DAV");

            //This now gets all the events that have handler from the dav listener
            string allowString = server.GetAvailableMethods();

            //Add this information to both, Public and Allow. We currently have no way of separating these two
            response.AddHeader("Public", allowString);
            response.AddHeader("Allow", allowString);

            //Preserving the old headers as reference. These should be removed when method is mature enough
            //response.AddHeader("Public", "COPY, DELETE, GET, HEAD, MKCOL, MOVE, OPTIONS, PROPFIND, PROPPATCH, PUT");
            //response.AddHeader("Allow", "COPY, DELETE, GET, HEAD, MKCOL, MOVE, OPTIONS, PROPFIND, PROPPATCH, PUT");

            server.HttpServer.LogWriter.Write(this, LogPrio.Debug, "Sending OPTIONS response for request to " + request.UriPath);
        }
    }
}
